Users Manual

Maintenance & Inspection
6-1
6. MAINTENANCE & INSPECTION
The performance and lifetime of the equipment depend on the appropriate maintenance.
This chapter describes the maintenance and inspection, self diagnosis, and outline of
adjustment.
6.1 General maintenance & inspection
In order to operate the equipment under optimum conditions, it is vital to perform regular inspections
and also, to keep accurate records. Inspections enable problems to be identified before they become
major malfunctions.
The following inspections should be made regularly.
Inspection
sequence
Inspection items Procedure
1 Antenna system Check that antennas and the connectors are secure.
2 Squelch operation
On the control panel with access right, turn the SQ
control fully counterclockwise and check if the noise is
output from the speaker. And also check if the noise is
suppressed by turning the SQ control clockwise.
3
Receiver condition
checked by speaker
output.
Check if the voice level and noise level are abnormally
loud or soft.
4 Handset PTT switch
Press PTT to check if the TX mark is displayed on the
screen and the unit transmits immediately.
5
Transmission and
reception check by
performing radio
communication.
Check if the normal radiotelephony communication is
possible.